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Global Positioning System (GPS) satellites
URI:
https://gptkb.org/entity/Global_Positioning_System_(GPS)_satellites
GPTKB entity
Statements (50)
Predicate
Object
gptkbp:instanceOf
gptkb:satellite
gptkbp:constellationShape
6 orbital planes
gptkbp:countryOfOrigin
gptkb:United_States
gptkbp:elevation
~20,200 km
gptkbp:fundedBy
gptkb:U.S._Department_of_Defense
gptkbp:generation
gptkb:Block_III
gptkb:Block_I
gptkb:Block_II
gptkb:Block_IIA
gptkb:Block_IIF
gptkb:Block_IIR
gptkb:Block_IIR-M
https://www.w3.org/2000/01/rdf-schema#label
Global Positioning System (GPS) satellites
gptkbp:inclination
55 degrees
gptkbp:launchDate
1978
gptkbp:manufacturer
gptkb:Lockheed_Martin
gptkb:Boeing
gptkb:Rockwell_International
gptkb:Northrop_Grumman
gptkbp:numberOfSatellites
at least 24 operational
gptkbp:operatedBy
gptkb:United_States_Space_Force
gptkbp:orbitType
gptkb:Medium_Earth_Orbit
~12 hours
gptkbp:partOf
gptkb:Global_Positioning_System
gptkbp:providesService
global coverage
military users
civilian users
free to users worldwide
gptkbp:relatedTo
gptkb:Galileo
gptkb:BeiDou
gptkb:GLONASS
gptkbp:signalAccuracy
centimeter-level (with augmentation)
within a few meters (civilian)
gptkbp:status
operational
gptkbp:successor
NAVSTAR satellites
gptkbp:transmission
navigation messages
precise time signals
gptkbp:type
L-band radio signals
gptkbp:usedBy
gptkb:military_operation
aviation
telecommunications
emergency services
maritime navigation
surveying
land navigation
gptkbp:usedFor
gptkb:navigation
positioning
timing
gptkbp:bfsParent
gptkb:Lockheed_Martin_Corporation
gptkbp:bfsLayer
7